ArcView is the standard GIS software at Yale University. This means
that ArcView was the GIS software selected for a campus wide license
agreement. ArcView is produced by the Environmental Systems Resource
Institute and is a robust GIS software that can manage a wide array
of GIS data and perform a wide variety of GIS analysis.

There are many levels, versions, and extensions included in the
ArcView software package. The earliest available version of ArcView
is ArcView 3.3. There are several extensions available with a site
licences for this version including Spatial Analyst, 3D Analyst,
Image Analysis, Network Analyst, ArcPress, StreetMap, and ArcPad.

ArcGIS 8.3 and 9.0, and 9.1 at the ArcView, ArcEditor and ArcInfo
level are also available at Yale. There is also ArcInfo Workstation
available. There is an unlimited site license for the ArcGIS at
all levels . ArcGIS includes: Spatial Analyst, 3D Analyst, Geostatistical
Analyst, ArcPress, ArcScan, ArcSurvey, Network Analyst, and StreetMap.

See labs and locations where the different
versions and levels of ArcView/ArcGIS are available on the Yale
campus.

Parts of the software (ArcGIS 9.1, ArcView 3.3, ArcPad 6.0.1) are
available to Yale faculty and staff for download on the Yale
Software site.

Free Software:

There are a variety of free GIS software packages available for
download from the Internet that offer a range of capabilities. Listed
below are just a few common ones: